If you want to protect your content from downloading, the Disable clipboard and Disable content selection and context menu functions will be useful to you
You can find them in the Security center:
https://app.academyocean.com/account/settings/academy/security
Disable clipboard
This section allows you to prevent learners from copying your content. This disables clicking "Copy" and using the "Ctrl+C" shortcut
Disable content selection and context menu
In this section, you can disable text selection both with cursor and keyboard. Learners will also not be able to right click to see the context menu